I finally got to try the Z Fold 2.
All I can say is wow. I am completely floored.
My expectations going in were a bit lowered after hearing some of the complainers on here. I'm going to be a bit controversial and say that most people returning the device probably just can't afford it and are looking for other ways to justify sending it back.
Some highlights:
-I barely noticed the crease. Most of the time in the well-lit store I couldn't even see it. The device was brand new, so new that I am probably the first person to use it. However, the crease was very, very shallow to my eyes. I could feel it, but I forgot it was there and felt it and that's how it reminded me it was there when looking straight on. Of course you can see it in reflections. As for the crease depth, YMMV.
-The hinge feels different than I expected. I was expecting more indents, but I didn't feel any. It has resistance to it and isn't flimsy at all. They clearly put a lot of work into it and it shows. Overall it is a bit of an engineering marvel when you consider that it's folding a huge screen.
-The front screen is immensely usable. I typed on it with ease and perfect accuracy... using the Samsung keyboard no less. I never liked the Samsung Keyboard and personally use Swiftkey. I bet it is even better with Swiftkey because I can type faster, however I did not install it.
-Another note about the front screen: going from 120Hz inside to 60Hz outside wasn't jarring at all. The animations are rendered to appear very smooth so I didn't really notice a difference between screens.
-Snapdragon 865+ speed is pretty impressive. Coupled with One UI animations the whole navigation and menu experience feels pretty futuristic on this device, and certainly premium.
-Flex mode I can see how this is kind of a gimmick. But that isn't a negative. I just don't see myself using it very often at all, not that it doesn't work well. It just is a little counter-productive to partially fold the device. I expect software features to remedy this as time goes on.
-For apps I can see that the majority are stretched out smartphone (non-tablet) versions, which will certainly be a downside to owning this cutting-edge device at this time. But it doesn't really take away from the experience, it just makes it less amazing than it possibly could be if everything was fully tablet-optimized. I expect this problem to go away within 1-2 years.
Conclusion: For the naysayers, if you are complaining the device is heavy, you knew it was heavy. This isn't news. You knew the front screen was narrow. This isn't a shock either. In my brief usage, I found the complaints about the front screen (and the device in general) to be completely overblown. If you can afford it, this is truly the future and is the polished device we've been waiting for. Are there some improvements that can be made? Yes. Honestly I can't think of many right now, since there is an ocean of difference between reading about the device and actually using it. Considering $10 million dollars couldn't buy this device a year ago, I'd say it is absolutely worth the price of admission if you can pay it without blinking.